Instruction manual

Instruction Manual PC 510

11 ERROR MESSAGES

LCD Display Indicates Cause Solution

Err annunciator. Unrecognised input

from keypad.

Wrong input in selected

mode.

Release key. Select

valid operations

depending on mode.

CAL & Err

annunciators on /

Buffer and electrode

indicators blink.

Calibration error. Wrong value input at

calibration.

Dirty probe.

Check your input

value, clean probe.

See Calibration

section or Probe

Maintenance section.

If an error persists, or the meter shows incorrect values, return the meter. See “Warranty” and “Return

of Items” on page 51.

For a complete diagram of the display, see page 4.